IOM A
given: s is not equal to t; s+t=0 s=-t OR t=-s
st(1) s+0= t+0 Sufficient, t=-s
st(2) this one is not Sufficient
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Source: Beat The GMAT — Data Sufficiency |
my thought process :btgyes wrote:...
stmt 1 : same distance from 0 implies two scenarios ---- t & s are on opposite side of 0 OR on the same side of 0 ( t = s), this is INSUFF.
Stmt 2 :
0 is between t &s implies opposite sides, but the values of t &s are unknown. INSUFF.
1&2
Sufficient.
heh 
given: s is not equal to t; s+t=0 s=-t OR t=-s
given: s is not equal to t; s+t=0 s=-t OR t=-s
earnest10 wrote:my thought process :btgyes wrote:...
stmt 1 : same distance from 0 implies two scenarios ---- t & s are on opposite side of 0 OR on the same side of 0 ( t = s ?), this is INSUFF.
Stmt 2 :
0 is between t &s implies opposite sides, but the values of t &s are unknown. INSUFF.
1&2
Sufficient.
